ASA 5505 - crypto isakmp nat-traversal....is gone?

Answered Question
Sep 16th, 2008
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I can't figure this one out. I have an ASA5505 at home that I use for VPN access. Occasionally when I connect I can't ping anything. I check config and it shows:


no crypto isakmp nat-traversal


I've configured "crypto isakmp nat-traversal" so many times before and somehow it still gets removed. Seems to happen randomly as well as when the device is rebooted. (yes the config has been saved). I'd say this happens at least 2-3 times a week.


Any ideas? I'm running 8.0.2 code.

Correct Answer by acomiskey about 8 years 8 months ago

It is a bug. Set the value to something other than the default 20. This will fix the problem.


cryto isakmp nat-traversal 21

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Correct Answer
acomiskey Tue, 09/16/2008 - 06:40
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It is a bug. Set the value to something other than the default 20. This will fix the problem.


cryto isakmp nat-traversal 21

jake-savage Tue, 09/16/2008 - 06:41
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Right on - thanks, I'll give this a whirl. Do you know if this is fixed with 8.0.3 or 4?

acomiskey Tue, 09/16/2008 - 06:42
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Yes, I believe it is.

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